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Finding the Fourth Proportional to 362.46, 500.16 and 238.16

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Solution

The fourth proportional to 362.46, 500.16 and 238.16 is: 328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.46 : 500.16 = 238.16 : x
  2. Step 2: Convert to fraction form
    362.46/500.16 = 238.16/x
  3. Step 3: Cross multiply
    362.46x = 500.16 × 238.16
  4. Step 4: Simplify right side
    362.46x = 119,115.60
  5. Step 5: Solve for x
    x = 119,115.60/362.46
  6. Step 6: Final answer
    x = 328.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.